diff --git a/campus-decarb/frontend/__init__.py b/campus-decarb/frontend/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/campus-decarb/frontend/app.py b/campus-decarb/frontend/app.py
new file mode 100644
index 0000000..f3ef07b
--- /dev/null
+++ b/campus-decarb/frontend/app.py
@@ -0,0 +1,33 @@
+import pandas as pd
+import streamlit as st
+from lib.client import client
+from lib.supa import Building
+
+st.set_page_config(layout="wide", page_title="MIT Decarbonization")
+
+@st.cache_data
+def get_all_buildings():
+    df = pd.DataFrame(client.table("Building").select("*").execute().data).set_index('id')
+    # create csv bytes
+    csv = df.to_csv().encode()
+    return df, csv
+
+def render_title():
+    st.title("MIT Decarbonization")
+
+def render_buildings():
+    st.header("Buildings")
+    all_buildings, all_buildings_csv = get_all_buildings()
+    st.download_button("Download all buildings", all_buildings_csv, "buildings_metadata.csv", "Download all buildings", use_container_width=True, type="primary")
+    building_id = st.selectbox('Building', all_buildings.index, format_func=lambda x: all_buildings.loc[x, 'name'], help='Select a building to view its data')
+    building = all_buildings.loc[building_id]
+    st.dataframe(building)
+
+
+render_title()
+st.divider()
+render_buildings()
+
+
+
+
diff --git a/campus-decarb/lib/supa.py b/campus-decarb/lib/supa.py
index b6a3f87..6243002 100644
--- a/campus-decarb/lib/supa.py
+++ b/campus-decarb/lib/supa.py
@@ -1,24 +1,28 @@
 import json
 import os
 from datetime import datetime
-from typing import Optional
+from typing import Literal, Optional
 
 import numpy as np
 import pandas as pd
 from lib.client import client
 from pydantic import BaseModel, Field, model_validator, validate_call
 
+BuildingUsage = Literal['Lab & Mixed Use', 'Office & Mixed Use', 'Lab Dominant', 'Mechanical', 'Support Areas & Parking', 'Residential', 'Special', 'Office']
+BuildingGroupLevel1 = Literal['CUP', 'Non-CUP', 'Leased Buildings', 'FSILGs', 'Off Campus Buildings']
 
 class BuildingBase(BaseModel, extra="forbid"):
     name: str = Field(..., description="Name of the building")
-    gfa: float = Field(..., gt=100, description="Gross Floor Area of the building, m2")
+    gfa: Optional[float] = Field(..., ge=0, description="Gross Floor Area of the building, m2")
+    building_number: Optional[str] = Field(None, description="MIT Building number")
+    usage: Optional[BuildingUsage] = Field(None, description="Building usage")
+    group_level_1: Optional[BuildingGroupLevel1] = Field(None, description="Non-CUP, CUP, etc")
+    height: Optional[float] = Field(None, description="Height of the building, m")
+    year: Optional[int] = Field(None, description="Year of construction")
 
 
 class Building(BuildingBase):
     id: int = Field(..., description="Unique identifier for the building")
-    created_at: str = Field(
-        ..., description="Timestamp of the creation of the building"
-    )
 
     @classmethod
     def get(cls, id: int):
@@ -31,7 +35,7 @@ def get(cls, id: int):
     @classmethod
     @validate_call()
     def create(cls, building: BuildingBase):
-        building = client.table("Building").insert(building.model_dump()).execute()
+        building = client.table("Building").upsert(building.model_dump()).execute()
         return cls(**building.data[0])
 
     def commit(self):
@@ -40,9 +44,6 @@ def commit(self):
 
 class BuildingSimulationResult(BaseModel, arbitrary_types_allowed=True, extra="forbid"):
     id: int
-    created_at: Optional[str] = Field(
-        None, description="Timestamp of the creation of the record"
-    )
     heating: np.ndarray
     cooling: np.ndarray
     lighting: np.ndarray
@@ -151,5 +152,30 @@ def to_df(self) -> pd.DataFrame:
 
     def commit(self):
         client.table("BuildingSimulationResult").upsert(
-            self.model_dump(mode="json", exclude=["created_at"])
+            self.model_dump(mode="json")
         ).execute()
+
+
+if __name__ == "__main__":
+    import math
+
+    import numpy as np
+
+    # TODO:
+    # add in better area breakdowns
+    # add in metering types etc
+    df = pd.read_csv("data/mit_buildings_info.csv")
+    for i, row in df.iterrows():
+        building = BuildingBase(
+            name=row["BUILDING_NAME_LONG"],
+            building_number=row["BUILDING_NUMBER"],
+            group_level_1=row["BUILDING_GROUP_LEVEL1"],
+            usage=row["CLUSTER_NUM"],
+            gfa=(
+                row["EXT_GROSS_AREA"] if not math.isnan(row["EXT_GROSS_AREA"]) else None
+            ),
+            height=(row["BUILDING_HEIGHT"] if not math.isnan(row["BUILDING_HEIGHT"]) else None),
+            year=row["YEAR_CONST_BEGAN"] if not math.isnan(row["YEAR_CONST_BEGAN"]) else None,
+
+        )
+        Building.create(building)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..3f1eca1
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+-r requirements/base-requirements.txt
+-r requirements/fe-requirements.txt
\ No newline at end of file
diff --git a/requirements/base-requirements.txt b/requirements/base-requirements.txt
index ba65203..544cb65 100644
--- a/requirements/base-requirements.txt
+++ b/requirements/base-requirements.txt
@@ -1,2 +1,4 @@
 pydantic
-pandera
\ No newline at end of file
+pydantic_settings
+pandera
+supabase
\ No newline at end of file
diff --git a/requirements/fe-requirements.txt b/requirements/fe-requirements.txt
new file mode 100644
index 0000000..e251330
--- /dev/null
+++ b/requirements/fe-requirements.txt
@@ -0,0 +1 @@
+streamlit
\ No newline at end of file